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Web Scraping 101 with Python March 27, 2015

Posted by sandyclaus in Academic Technology, Programming, Python.

Now that we have the packages we need, we can start scraping. But first, a couple of rules.

You should check a site’s terms and conditions before you scrape them. It’s their data and they likely have some rules to govern it.

Be nice – A computer will send web requests much quicker than a user can. Make sure you space out your requests a bit so that you don’t hammer the site’s server.

Scrapers break – Sites change their layout all the time. If that happens, be prepared to rewrite your code.

Web pages are inconsistent – There’s sometimes some manual clean up that has to happen even after you’ve gotten your data.

via Web Scraping 101 with Python.



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